Bobmeyerite, Quartz
Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA
Woolly caterpillar-like aggregates of silky acicular crystals on Quartz. Most likely from the east wall of the main haulage tunnel of the Collins vein, 500 level (Bideaux, 1980). Associated species on this specimen, although not pictured are leadhillite (yellow), diaboleite, caledonite (green), cerussite, hematite, pinalite, georgerobinsonite, and ...
© 2012 Robert O. Meyer